Android编程8:页面切换测试
本文博客链接:
http://blog.csdn.net/jdh99
,作者:jdh,转载请注明.
软件平台:win7 + eclipse + sdk
设计思路:
两个页面:mian和ok,每个页面上有一个按键,点击则可以互相切换
源代码:
main.xml源代码:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="下一页面 "></Button>
</LinearLayout>
ok.xml源代码:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<Button android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="上一页面 " android:id="@+id/button1"></Button>
</LinearLayout>
makechoice源代码:
package com.makechoice;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class makechoice extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button btn = (Button)findViewById(R.id.button1);
btn.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
jump2ok();
}
});
}
//跳到ok页面
public void jump2ok()
{
setContentView(R.layout.ok);
//当有按键按下跳到main页面
Button btn = (Button)findViewById(R.id.button1);
btn.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
jump2main();
}
});
}
//跳到main页面
public void jump2main()
{
setContentView(R.layout.main);
//当有按键按下跳到ok页面
Button btn = (Button)findViewById(R.id.button1);
btn.setOnClickListener(new Button.OnClickListener()
{
@Override
public void onClick(View v)
{
jump2ok();
}
});
}
}
运行效果图:
注意:
类R中存放的ID号为当前页面的ID号,所以findViewById函数捕获的控件也为当前页面的控件

